99928240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 239823936

約数和(自身を除く): 139895696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 73, 80, 142, 146, 241, 284, 292, 355, 365, 482, 568, 584, 710, 730, 964, 1136, 1168, 1205, 1420, 1460, 1928, 2410, 2840, 2920, 3856, 4820, 5183, 5680, 5840, 9640, 10366, 17111, 17593, 19280, 20732, 25915, 34222, 35186, 41464, 51830, 68444, 70372, 82928, 85555, 87965, 103660, 136888, 140744, 171110, 175930, 207320, 273776, 281488, 342220, 351860, 414640, 684440, 703720, 1249103, 1368880, 1407440, 2498206, 4996412, 6245515, 9992824, 12491030, 19985648, 24982060, 49964120, 99928240]

約数ペア:

[(1, 99928240), (2, 49964120), (4, 24982060), (5, 19985648), (8, 12491030), (10, 9992824), (16, 6245515), (20, 4996412), (40, 2498206), (71, 1407440), (73, 1368880), (80, 1249103), (142, 703720), (146, 684440), (241, 414640), (284, 351860), (292, 342220), (355, 281488), (365, 273776), (482, 207320), (568, 175930), (584, 171110), (710, 140744), (730, 136888), (964, 103660), (1136, 87965), (1168, 85555), (1205, 82928), (1420, 70372), (1460, 68444), (1928, 51830), (2410, 41464), (2840, 35186), (2920, 34222), (3856, 25915), (4820, 20732), (5183, 19280), (5680, 17593), (5840, 17111), (9640, 10366)]